diff --git a/kmreaderwin.h b/kmreaderwin.h
index c8884a177..b2b883e0f 100644
--- a/kmreaderwin.h
+++ b/kmreaderwin.h
@@ -60,7 +60,6 @@ namespace MessageViewer {
   class HeaderStrategy;
   class HeaderStyle;
 }
-class KHtmlPartHtmlWriter;
 
 namespace KParts {
   struct BrowserArguments;